1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-vectorize,instcombine,simplifycfg < %s -S -o - | FileCheck %s --check-prefix=CHECK 3; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s --check-prefix=CHECK-COST 4; REQUIRES: asserts 5 6target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 7target triple = "aarch64--linux-gnu" 8 9; CHECK-COST-LABEL: sadd 10; CHECK-COST: Found an estimated cost of 6 for VF 1 For instruction: %1 = tail call i16 @llvm.sadd.sat.i16(i16 %0, i16 %offset) 11; CHECK-COST: Cost of 4 for VF 2: WIDEN-INTRINSIC ir<%1> = call llvm.sadd.sat(ir<%0>, ir<%offset>) 12; CHECK-COST: Cost of 1 for VF 4: WIDEN-INTRINSIC ir<%1> = call llvm.sadd.sat(ir<%0>, ir<%offset>) 13; CHECK-COST: Cost of 1 for VF 8: WIDEN-INTRINSIC ir<%1> = call llvm.sadd.sat(ir<%0>, ir<%offset>) 14 15define void @saddsat(ptr nocapture readonly %pSrc, i16 signext %offset, ptr nocapture noalias %pDst, i32 %blockSize) #0 { 16; CHECK-LABEL: @saddsat( 17; CHECK-NEXT: entry: 18; CHECK-NEXT: [[CMP_NOT6:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0 19; CHECK-NEXT: br i1 [[CMP_NOT6]], label [[WHILE_END:%.*]], label [[ITER_CHECK:%.*]] 20; CHECK: iter.check: 21; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[BLOCKSIZE]] to i64 22; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 4 23; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] 24; CHECK: vector.main.loop.iter.check: 25; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i32 [[BLOCKSIZE]], 16 26; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] 27; CHECK: vector.ph: 28; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967280 29; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <8 x i16> poison, i16 [[OFFSET:%.*]], i64 0 30; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <8 x i16> [[BROADCAST_SPLATINSERT]], <8 x i16> poison, <8 x i32> zeroinitializer 31; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 32; CHECK: vector.body: 33; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 34; CHECK-NEXT: [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1 35; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[PSRC:%.*]], i64 [[OFFSET_IDX]] 36; CHECK-NEXT: [[OFFSET_IDX2:%.*]] = shl i64 [[INDEX]], 1 37; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[PDST:%.*]], i64 [[OFFSET_IDX2]] 38; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[NEXT_GEP]], i64 16 39; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i16>, ptr [[NEXT_GEP]], align 2 40; CHECK-NEXT: [[WIDE_LOAD4:%.*]] = load <8 x i16>, ptr [[TMP1]], align 2 41; CHECK-NEXT: [[TMP2:%.*]] = call <8 x i16> @llvm.sadd.sat.v8i16(<8 x i16> [[WIDE_LOAD]], <8 x i16> [[BROADCAST_SPLAT]]) 42; CHECK-NEXT: [[TMP3:%.*]] = call <8 x i16> @llvm.sadd.sat.v8i16(<8 x i16> [[WIDE_LOAD4]], <8 x i16> [[BROADCAST_SPLAT]]) 43; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[NEXT_GEP3]], i64 16 44; CHECK-NEXT: store <8 x i16> [[TMP2]], ptr [[NEXT_GEP3]], align 2 45; CHECK-NEXT: store <8 x i16> [[TMP3]], ptr [[TMP4]], align 2 46; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16 47; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 48; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 49; CHECK: middle.block: 50; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]] 51; CHECK-NEXT: br i1 [[CMP_N]], label [[WHILE_END]], label [[VEC_EPILOG_ITER_CHECK:%.*]] 52; CHECK: vec.epilog.iter.check: 53; CHECK-NEXT: [[DOTCAST1:%.*]] = trunc nuw i64 [[N_VEC]] to i32 54; CHECK-NEXT: [[IND_END8:%.*]] = sub i32 [[BLOCKSIZE]], [[DOTCAST1]] 55; CHECK-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[N_VEC]], 1 56; CHECK-NEXT: [[IND_END10:%.*]] = getelementptr i8, ptr [[PSRC]], i64 [[TMP6]] 57; CHECK-NEXT: [[TMP7:%.*]] = shl nuw nsw i64 [[N_VEC]], 1 58; CHECK-NEXT: [[IND_END13:%.*]] = getelementptr i8, ptr [[PDST]], i64 [[TMP7]] 59; CHECK-NEXT: [[N_VEC_REMAINING:%.*]] = and i64 [[TMP0]], 12 60; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0 61; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] 62; CHECK: vec.epilog.ph: 63; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] 64; CHECK-NEXT: [[N_VEC6:%.*]] = and i64 [[TMP0]], 4294967292 65; CHECK-NEXT: [[DOTCAST:%.*]] = trunc nuw i64 [[N_VEC6]] to i32 66; CHECK-NEXT: [[IND_END:%.*]] = sub i32 [[BLOCKSIZE]], [[DOTCAST]] 67; CHECK-NEXT: [[TMP8:%.*]] = shl nuw nsw i64 [[N_VEC6]], 1 68; CHECK-NEXT: [[IND_END9:%.*]] = getelementptr i8, ptr [[PSRC]], i64 [[TMP8]] 69; CHECK-NEXT: [[TMP9:%.*]] = shl nuw nsw i64 [[N_VEC6]], 1 70; CHECK-NEXT: [[IND_END12:%.*]] = getelementptr i8, ptr [[PDST]], i64 [[TMP9]] 71; CHECK-NEXT: [[BROADCAST_SPLATINSERT21:%.*]] = insertelement <4 x i16> poison, i16 [[OFFSET]], i64 0 72; CHECK-NEXT: [[BROADCAST_SPLAT22:%.*]] = shufflevector <4 x i16> [[BROADCAST_SPLATINSERT21]], <4 x i16> poison, <4 x i32> zeroinitializer 73; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] 74; CHECK: vec.epilog.vector.body: 75; CHECK-NEXT: [[INDEX15:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT23:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] 76; CHECK-NEXT: [[OFFSET_IDX16:%.*]] = shl i64 [[INDEX15]], 1 77; CHECK-NEXT: [[NEXT_GEP17:%.*]] = getelementptr i8, ptr [[PSRC]], i64 [[OFFSET_IDX16]] 78; CHECK-NEXT: [[OFFSET_IDX18:%.*]] = shl i64 [[INDEX15]], 1 79; CHECK-NEXT: [[NEXT_GEP19:%.*]] = getelementptr i8, ptr [[PDST]], i64 [[OFFSET_IDX18]] 80; CHECK-NEXT: [[WIDE_LOAD20:%.*]] = load <4 x i16>, ptr [[NEXT_GEP17]], align 2 81; CHECK-NEXT: [[TMP10:%.*]] = call <4 x i16> @llvm.sadd.sat.v4i16(<4 x i16> [[WIDE_LOAD20]], <4 x i16> [[BROADCAST_SPLAT22]]) 82; CHECK-NEXT: store <4 x i16> [[TMP10]], ptr [[NEXT_GEP19]], align 2 83; CHECK-NEXT: [[INDEX_NEXT23]] = add nuw i64 [[INDEX15]], 4 84; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT23]], [[N_VEC6]] 85; CHECK-NEXT: br i1 [[TMP11]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 86; CHECK: vec.epilog.middle.block: 87; CHECK-NEXT: [[CMP_N24:%.*]] = icmp eq i64 [[N_VEC6]], [[TMP0]] 88; CHECK-NEXT: br i1 [[CMP_N24]], label [[WHILE_END]], label [[VEC_EPILOG_SCALAR_PH]] 89; CHECK: vec.epilog.scalar.ph: 90; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[ITER_CHECK]] ], [ [[IND_END8]], [[VEC_EPILOG_ITER_CHECK]] ] 91; CHECK-NEXT: [[BC_RESUME_VAL11:%.*]] = phi ptr [ [[IND_END9]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[PSRC]], [[ITER_CHECK]] ], [ [[IND_END10]], [[VEC_EPILOG_ITER_CHECK]] ] 92; CHECK-NEXT: [[BC_RESUME_VAL14:%.*]] = phi ptr [ [[IND_END12]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[PDST]], [[ITER_CHECK]] ], [ [[IND_END13]], [[VEC_EPILOG_ITER_CHECK]] ] 93; CHECK-NEXT: br label [[WHILE_BODY:%.*]] 94; CHECK: while.body: 95; CHECK-NEXT: [[BLKCNT_09:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ] 96; CHECK-NEXT: [[PSRC_ADDR_08:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL11]], [[VEC_EPILOG_SCALAR_PH]] ] 97; CHECK-NEXT: [[PDST_ADDR_07:%.*]] = phi ptr [ [[INCDEC_PTR3:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL14]], [[VEC_EPILOG_SCALAR_PH]] ] 98; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[PSRC_ADDR_08]], i64 2 99; CHECK-NEXT: [[TMP12:%.*]] = load i16, ptr [[PSRC_ADDR_08]], align 2 100; CHECK-NEXT: [[TMP13:%.*]] = tail call i16 @llvm.sadd.sat.i16(i16 [[TMP12]], i16 [[OFFSET]]) 101; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds nuw i8, ptr [[PDST_ADDR_07]], i64 2 102; CHECK-NEXT: store i16 [[TMP13]], ptr [[PDST_ADDR_07]], align 2 103; CHECK-NEXT: [[DEC]] = add i32 [[BLKCNT_09]], -1 104; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0 105; CHECK-NEXT: br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], !llvm.loop [[LOOP4:![0-9]+]] 106; CHECK: while.end: 107; CHECK-NEXT: ret void 108; 109entry: 110 %cmp.not6 = icmp eq i32 %blockSize, 0 111 br i1 %cmp.not6, label %while.end, label %while.body 112 113while.body: ; preds = %entry, %while.body 114 %blkCnt.09 = phi i32 [ %dec, %while.body ], [ %blockSize, %entry ] 115 %pSrc.addr.08 = phi ptr [ %incdec.ptr, %while.body ], [ %pSrc, %entry ] 116 %pDst.addr.07 = phi ptr [ %incdec.ptr3, %while.body ], [ %pDst, %entry ] 117 %incdec.ptr = getelementptr inbounds i16, ptr %pSrc.addr.08, i32 1 118 %0 = load i16, ptr %pSrc.addr.08, align 2 119 %1 = tail call i16 @llvm.sadd.sat.i16(i16 %0, i16 %offset) 120 %incdec.ptr3 = getelementptr inbounds i16, ptr %pDst.addr.07, i32 1 121 store i16 %1, ptr %pDst.addr.07, align 2 122 %dec = add i32 %blkCnt.09, -1 123 %cmp.not = icmp eq i32 %dec, 0 124 br i1 %cmp.not, label %while.end, label %while.body 125 126while.end: ; preds = %while.body, %entry 127 ret void 128} 129 130; CHECK-COST-LABEL: umin 131; CHECK-COST: Found an estimated cost of 2 for VF 1 For instruction: %1 = tail call i8 @llvm.umin.i8(i8 %0, i8 %offset) 132; CHECK-COST: Cost of 1 for VF 2: WIDEN-INTRINSIC ir<%1> = call llvm.umin(ir<%0>, ir<%offset>) 133; CHECK-COST: Cost of 1 for VF 4: WIDEN-INTRINSIC ir<%1> = call llvm.umin(ir<%0>, ir<%offset>) 134; CHECK-COST: Cost of 1 for VF 8: WIDEN-INTRINSIC ir<%1> = call llvm.umin(ir<%0>, ir<%offset>) 135; CHECK-COST: Cost of 1 for VF 16: WIDEN-INTRINSIC ir<%1> = call llvm.umin(ir<%0>, ir<%offset>) 136 137 138define void @umin(ptr nocapture readonly %pSrc, i8 signext %offset, ptr nocapture noalias %pDst, i32 %blockSize) #0 { 139; CHECK-LABEL: @umin( 140; CHECK-NEXT: entry: 141; CHECK-NEXT: [[CMP_NOT6:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0 142; CHECK-NEXT: br i1 [[CMP_NOT6]], label [[WHILE_END:%.*]], label [[ITER_CHECK:%.*]] 143; CHECK: iter.check: 144; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[BLOCKSIZE]] to i64 145; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 8 146; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] 147; CHECK: vector.main.loop.iter.check: 148; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i32 [[BLOCKSIZE]], 32 149; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] 150; CHECK: vector.ph: 151; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967264 152; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i8> poison, i8 [[OFFSET:%.*]], i64 0 153; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT]], <16 x i8> poison, <16 x i32> zeroinitializer 154; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 155; CHECK: vector.body: 156; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 157; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[PSRC:%.*]], i64 [[INDEX]] 158; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[PDST:%.*]], i64 [[INDEX]] 159; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[NEXT_GEP]], i64 16 160; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[NEXT_GEP]], align 2 161; CHECK-NEXT: [[WIDE_LOAD3:%.*]] = load <16 x i8>, ptr [[TMP1]], align 2 162; CHECK-NEXT: [[TMP2:%.*]] = call <16 x i8> @llvm.umin.v16i8(<16 x i8> [[WIDE_LOAD]], <16 x i8> [[BROADCAST_SPLAT]]) 163; CHECK-NEXT: [[TMP3:%.*]] = call <16 x i8> @llvm.umin.v16i8(<16 x i8> [[WIDE_LOAD3]], <16 x i8> [[BROADCAST_SPLAT]]) 164; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[NEXT_GEP2]], i64 16 165; CHECK-NEXT: store <16 x i8> [[TMP2]], ptr [[NEXT_GEP2]], align 2 166; CHECK-NEXT: store <16 x i8> [[TMP3]], ptr [[TMP4]], align 2 167; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32 168; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 169; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] 170; CHECK: middle.block: 171; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]] 172; CHECK-NEXT: br i1 [[CMP_N]], label [[WHILE_END]], label [[VEC_EPILOG_ITER_CHECK:%.*]] 173; CHECK: vec.epilog.iter.check: 174; CHECK-NEXT: [[DOTCAST6:%.*]] = trunc nuw i64 [[N_VEC]] to i32 175; CHECK-NEXT: [[IND_END7:%.*]] = sub i32 [[BLOCKSIZE]], [[DOTCAST6]] 176; CHECK-NEXT: [[IND_END9:%.*]] = getelementptr i8, ptr [[PSRC]], i64 [[N_VEC]] 177; CHECK-NEXT: [[IND_END12:%.*]] = getelementptr i8, ptr [[PDST]], i64 [[N_VEC]] 178; CHECK-NEXT: [[N_VEC_REMAINING:%.*]] = and i64 [[TMP0]], 24 179; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0 180; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] 181; CHECK: vec.epilog.ph: 182; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] 183; CHECK-NEXT: [[N_VEC5:%.*]] = and i64 [[TMP0]], 4294967288 184; CHECK-NEXT: [[DOTCAST:%.*]] = trunc nuw i64 [[N_VEC5]] to i32 185; CHECK-NEXT: [[IND_END:%.*]] = sub i32 [[BLOCKSIZE]], [[DOTCAST]] 186; CHECK-NEXT: [[IND_END8:%.*]] = getelementptr i8, ptr [[PSRC]], i64 [[N_VEC5]] 187; CHECK-NEXT: [[IND_END11:%.*]] = getelementptr i8, ptr [[PDST]], i64 [[N_VEC5]] 188; CHECK-NEXT: [[BROADCAST_SPLATINSERT18:%.*]] = insertelement <8 x i8> poison, i8 [[OFFSET]], i64 0 189; CHECK-NEXT: [[BROADCAST_SPLAT19:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT18]], <8 x i8> poison, <8 x i32> zeroinitializer 190; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] 191; CHECK: vec.epilog.vector.body: 192; CHECK-NEXT: [[INDEX14:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT20:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] 193; CHECK-NEXT: [[NEXT_GEP15:%.*]] = getelementptr i8, ptr [[PSRC]], i64 [[INDEX14]] 194; CHECK-NEXT: [[NEXT_GEP16:%.*]] = getelementptr i8, ptr [[PDST]], i64 [[INDEX14]] 195; CHECK-NEXT: [[WIDE_LOAD17:%.*]] = load <8 x i8>, ptr [[NEXT_GEP15]], align 2 196; CHECK-NEXT: [[TMP6:%.*]] = call <8 x i8> @llvm.umin.v8i8(<8 x i8> [[WIDE_LOAD17]], <8 x i8> [[BROADCAST_SPLAT19]]) 197; CHECK-NEXT: store <8 x i8> [[TMP6]], ptr [[NEXT_GEP16]], align 2 198; CHECK-NEXT: [[INDEX_NEXT20]] = add nuw i64 [[INDEX14]], 8 199; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT20]], [[N_VEC5]] 200; CHECK-NEXT: br i1 [[TMP7]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] 201; CHECK: vec.epilog.middle.block: 202; CHECK-NEXT: [[CMP_N21:%.*]] = icmp eq i64 [[N_VEC5]], [[TMP0]] 203; CHECK-NEXT: br i1 [[CMP_N21]], label [[WHILE_END]], label [[VEC_EPILOG_SCALAR_PH]] 204; CHECK: vec.epilog.scalar.ph: 205; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[ITER_CHECK]] ], [ [[IND_END7]], [[VEC_EPILOG_ITER_CHECK]] ] 206; CHECK-NEXT: [[BC_RESUME_VAL10:%.*]] = phi ptr [ [[IND_END8]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[PSRC]], [[ITER_CHECK]] ], [ [[IND_END9]], [[VEC_EPILOG_ITER_CHECK]] ] 207; CHECK-NEXT: [[BC_RESUME_VAL13:%.*]] = phi ptr [ [[IND_END11]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[PDST]], [[ITER_CHECK]] ], [ [[IND_END12]], [[VEC_EPILOG_ITER_CHECK]] ] 208; CHECK-NEXT: br label [[WHILE_BODY:%.*]] 209; CHECK: while.body: 210; CHECK-NEXT: [[BLKCNT_09:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ] 211; CHECK-NEXT: [[PSRC_ADDR_08:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL10]], [[VEC_EPILOG_SCALAR_PH]] ] 212; CHECK-NEXT: [[PDST_ADDR_07:%.*]] = phi ptr [ [[INCDEC_PTR3:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL13]], [[VEC_EPILOG_SCALAR_PH]] ] 213; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[PSRC_ADDR_08]], i64 1 214; CHECK-NEXT: [[TMP8:%.*]] = load i8, ptr [[PSRC_ADDR_08]], align 2 215; CHECK-NEXT: [[TMP9:%.*]] = tail call i8 @llvm.umin.i8(i8 [[TMP8]], i8 [[OFFSET]]) 216; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds nuw i8, ptr [[PDST_ADDR_07]], i64 1 217; CHECK-NEXT: store i8 [[TMP9]], ptr [[PDST_ADDR_07]], align 2 218; CHECK-NEXT: [[DEC]] = add i32 [[BLKCNT_09]], -1 219; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0 220; CHECK-NEXT: br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], !llvm.loop [[LOOP7:![0-9]+]] 221; CHECK: while.end: 222; CHECK-NEXT: ret void 223; 224entry: 225 %cmp.not6 = icmp eq i32 %blockSize, 0 226 br i1 %cmp.not6, label %while.end, label %while.body 227 228while.body: ; preds = %entry, %while.body 229 %blkCnt.09 = phi i32 [ %dec, %while.body ], [ %blockSize, %entry ] 230 %pSrc.addr.08 = phi ptr [ %incdec.ptr, %while.body ], [ %pSrc, %entry ] 231 %pDst.addr.07 = phi ptr [ %incdec.ptr3, %while.body ], [ %pDst, %entry ] 232 %incdec.ptr = getelementptr inbounds i8, ptr %pSrc.addr.08, i32 1 233 %0 = load i8, ptr %pSrc.addr.08, align 2 234 %1 = tail call i8 @llvm.umin.i8(i8 %0, i8 %offset) 235 %incdec.ptr3 = getelementptr inbounds i8, ptr %pDst.addr.07, i32 1 236 store i8 %1, ptr %pDst.addr.07, align 2 237 %dec = add i32 %blkCnt.09, -1 238 %cmp.not = icmp eq i32 %dec, 0 239 br i1 %cmp.not, label %while.end, label %while.body 240 241while.end: ; preds = %while.body, %entry 242 ret void 243} 244 245declare i16 @llvm.sadd.sat.i16(i16, i16) 246declare i8 @llvm.umin.i8(i8, i8) 247 248;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: 249; CHECK-COST: {{.*}} 250